Home / 7,750.40-10,695.37-4,520.82

Finding the Fourth Proportional to 7,750.40, 10,695.37 and 4,520.82

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Solution

The fourth proportional to 7,750.40, 10,695.37 and 4,520.82 is: 6,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.40 : 10,695.37 = 4,520.82 : x
  2. Step 2: Convert to fraction form
    7,750.40/10,695.37 = 4,520.82/x
  3. Step 3: Cross multiply
    7,750.40x = 10,695.37 × 4,520.82
  4. Step 4: Simplify right side
    7,750.40x = 48,351,842.60
  5. Step 5: Solve for x
    x = 48,351,842.60/7,750.40
  6. Step 6: Final answer
    x = 6,238.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.